Phosphorus-containing solid catalysts and reactions catalyzed thereby, including synthesis of p-xylene
US-11498062-B2 · Nov 15, 2022 · US
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Phosphates
Phosphates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C2529/82 |
| Official title | Phosphates |
| Display label | Phosphates |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 4 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst composition
US-11229899-B2 · Jan 25, 2022 · US
Forming dienes from cyclic ethers and diols, including tetrahydrofuran and 2-methyl-1,4-butanediol
US-10919030-B2 · Feb 16, 2021 · US
Catalyst composition
US-2020078777-A1 · Mar 12, 2020 · US
Methods of producing ethylene and propylene
US-10519078-B2 · Dec 31, 2019 · US
Methods of producing propylene and ethylene
US-10513472-B2 · Dec 24, 2019 · US
Phosphorus-containing solid catalysts and reactions catalyzed thereby, including synthesis of p-xylene
US-2019344252-A1 · Nov 14, 2019 · US
Methods of producing propylene and ethylene
US-2019127291-A1 · May 2, 2019 · US
Methods of producing ethylene and propylene
US-2019119183-A1 · Apr 25, 2019 · US
Process for obtaining modified molecular sieves
US-9771307-B2 · Sep 26, 2017 · US
Silica composite, method for producing the same, and method for producing propylene using the silica composite
US-9670110-B2 · Jun 6, 2017 · US
Silica composite, method for producing the same, and method for producing propylene using the silica composite
US-2017066699-A1 · Mar 9, 2017 · US
Process for preparing acrylic acid using an alkali metal-free and alkaline earth metal-free zeolitic material
US-9540305-B2 · Jan 10, 2017 · US
Silica composite, method for producing the same, and method for producing propylene using the silica composite
US-9527064-B2 · Dec 27, 2016 · US
Dehydration of alcohols on acidic catalysts
US-9249066-B2 · Feb 2, 2016 · US
Process for producing cyclohexylbenzene
US-9233888-B2 · Jan 12, 2016 · US
Process for preparing acrylic acid using an alkali metal-free and alkaline earth metal-free zeolitic material
US-2015344394-A1 · Dec 3, 2015 · US
Process for obtaining modified molecular sieves
US-9180439-B2 · Nov 10, 2015 · US
Process for Obtaining Modified Molecular Sieves
US-2015259264-A1 · Sep 17, 2015 · US
Process for Producing Cyclohexylbenzene
US-2015203419-A1 · Jul 23, 2015 · US